CVE-2026-56150
Medium
Description
Allocation of Resources Without Limits or Throttling (CWE-770) in Fleet Server can lead to a denial of service via Excessive Allocation (CAPEC-130). An attacker can submit a specially crafted request to an upload endpoint that causes excessive memory consumption, which may render Fleet Server unavailable.
SeverityMedium
CVSS6.5
Exploit probability41. percentile0.5%
ProductElastic Fleet Server
PublishedJul 1, 2026
First seenJul 1, 2026
Weakness typeCWE-770Allocation of resources without limits
How to fix
Update
- elastic fleet_server8.19.11, 9.2.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| elastic fleet_server | 8.0.0 ≤ v < 8.19.11, 9.0.0 ≤ v < 9.2.5 | 8.19.11, 9.2.5 |
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